Is that weird?
Like it should work but isn’t?
Or a different issue?
Discussion
Seems to have to do with meta tags and video format as well. In the end I encoded this video again and uploaded it to nostr:npub1nxy4qpqnld6kmpphjykvx2lqwvxmuxluddwjamm4nc29ds3elyzsm5avr7, now it's online: nostr:note13dmg7994ca5grjgg0ju28784uvyrckfn3kewsqqgjxmrhlpj4x9ssy6wpe